RWE AG, Essen, has replaced the head of N-Power, its British green energy subsidiary. Paul Coffey, who had only been chief operating officer (COO) and member of the N-Power board since 1st April 2015, is now head of the company, having taken over from Paul Massara. The previous CFO, Jens Madrian, has also left the company. His position has been filled by Martin Miklas, who is the former CFO of RWE Polska. The new COO at N-Power is Dirk Simons, who used to be the CFO at RWE Innogy.